Perhaps you should try some spelling variations:
"dong chung code snippets" » "dung chung code snippets", "cong chung code snippets", "dong hung code snippets", "dong chung co snippets", "dong chung code slippers"
"trinh vat code snippets" » "trinh van code snippets", "trinh luat code snippets", "sinh vat code snippets", "trinh rate code snippets", "trinh vat co snippets", "trinh vat de snippets", "trinh vat code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh vat code snippets") or ("dong chung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh vat code snippets") OR ("dong chung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh vat code snippets ) or ( dong chung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh vat code snippets") or ("dong chung code snippets"))) or ("locating bug code snippets"))*.